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+<!doctype html>
+<!--
+@license
+Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
+<html>
+ <head>
+
+ <meta charset="utf-8">
+ <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
+ <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1, user-scalable=yes">
+
+ <title>iron-autogrow-textarea demo</title>
+
+ <script src="../../webcomponentsjs/webcomponents-lite.js"></script>
+ <link rel="import" href="../../iron-demo-helpers/demo-snippet.html">
+ <link rel="import" href="../../iron-demo-helpers/demo-pages-shared-styles.html">
+ <link rel="import" href="../iron-autogrow-textarea.html">
+
+ <style is="custom-style" include="demo-pages-shared-styles">
+ iron-autogrow-textarea {
+ display: block;
+ width: 200px;
+ margin: 5px 0;
+ }
+
+ textarea {
+ width: 200px;
+ }
+
+ .vertical-section {
+ box-sizing: border-box;
+ width: 400px;
+ margin: 0;
+ }
+ </style>
+ </head>
+ <body unresolved>
+ <div class="vertical-section-container centered">
+ <h3>An iron-autogrow-textarea grows automatically as more text is entered</h3>
+ <demo-snippet class="centered-demo">
+ <template>
+ <iron-autogrow-textarea></iron-autogrow-textarea>
+ </template>
+ </demo-snippet>
+
+ <h3>The maximum height can be controlled either through the <i>max-rows</i>
+ property, or through a fixed max height</h3>
+ <demo-snippet class="centered-demo">
+ <template>
+ <iron-autogrow-textarea max-rows="4" placeholder="scrolls after 4 rows"></iron-autogrow-textarea>
+ <iron-autogrow-textarea style="max-height: 50px;" placeholder="scrolls after 50px"></iron-autogrow-textarea>
+ </template>
+ </demo-snippet>
+
+ <h3>The initial height can also be controlled using the <i>rows</i> property,
+ or through a fixed height</h3>
+ <demo-snippet class="centered-demo">
+ <template>
+ <iron-autogrow-textarea rows="4" placeholder="start with 4 rows"></iron-autogrow-textarea>
+ <iron-autogrow-textarea style="height: 50px;"></iron-autogrow-textarea>
+ </template>
+ </demo-snippet>
+
+ <h3>Example of updating the value imperatively</h3>
+ <!-- TODO: replace this with a demo-snippet when https://github.com/webcomponents/webcomponentsjs/issues/362
+ is fixed -->
+ <div class="example">
+ <template is="dom-bind">
+ <div class="vertical-section">
+ <iron-autogrow-textarea bind-value="{{bindValue}}" id="a1"></iron-autogrow-textarea>
+ <br>
+ <code>bind-value</code>: <span>[[bindValue]]</span>
+ <p on-click="setValue">
+ Imperatively changing <code>bind-value</code> will also update
+ <code>textarea.value</code>:<br>
+ <textarea></textarea>
+ <button value="bindValue">set</button>
+ <br><br>
+
+ Imperatively updating <code>textarea.value</code> will update
+ the display, but not update <code>bind-value</code>:<br>
+ <textarea></textarea>
+ <button value="value">set</button>
+ </p>
+ </div>
+ </template>
+ </div>
+ </div>
+ <script>
+ var scope = document.querySelector('template[is=dom-bind]');
+
+ scope.setValue = function(event) {
+ if (!(event.target instanceof HTMLButtonElement)) {
+ return;
+ }
+ var inputValue = event.target.previousElementSibling.value;
+ if (event.target.value == "bindValue") {
+ document.querySelector('#a1').bindValue = inputValue;
+ } else {
+ document.querySelector('#a1').textarea.value = inputValue;
+ }
+ }
+ </script>
+ </body>
+</html>